渦流的 的英文怎麼說
中文拼音 [guōliúde]
渦流的
英文
turbulent-
How often does severe clear air turbulence occur over tropical oceans
熱帶海洋晴空發生強氣流渦動的頻率如何？The study of the vortex loss of the magnetic airproof driver
磁力密封傳動器中渦流損失的研究The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis
首先基於風機噪聲理論的分析確定了影響風機噪聲源的主要因素是旋轉噪聲和渦流噪聲。Zmd catena of self inhale magnetic force pumps adopt structure of electrical engine direct link form, by centernog prop up, the structure is tightly, teardown and maintenance is convenient, adopt high - powered magnetism stuff nd fe boron to make inside and outside magnet. isolationsheath assembled make of import nonmetallic material, avoid magnetism backset ullage of the run - of - mill pumps have drastically
Zmd系列自吸磁力泵採用電機直聯式結構，由中間支架支撐，結構緊湊，拆卸維護方便，採用高性能磁性材料「釹鐵硼」製造內外磁體，隔離套採用進口非金屬材料，徹底消除了一般磁力泵具有的磁渦流損耗，可輸送高濃度，密度大於1 . 84 t mStudy on eddy current compensation for magnetic resonance imaging system
磁共振成像中渦流的補償方法研究Only the muddy water at wrightwood flowed turbulently.
在賴特伍德只有泥水才以渦流的方式流動。Choosing the thin silicon steel board to be the vortex heating board material can not only decrease the weight of water heater and make the water heater smaller, but also accord with the tending to skin effect
選耿薄的硅鋼板作渦流加熱板的材料不僅符合渦流的趨膚效應，還可以大大減輕熱水器的重量和減小熱水器的體積。For wet - pit installations, it is recommended that the low water level elevation be specified to meet or exceed the minimum submergence to prevent vortexing
對于濕井設備安裝，建議所確定的低水位高度應該達到或超過預防渦流的最小潛水深度。The induction heating generates heat by means of joule effect resulting from an eddy current. it is widely used in industrial operations due to its high efficiency, precise control and low pollution properties
感應加熱利用工件中渦流的焦耳效應將工件加熱，該方法具有效率高、控制精確、污染少等特點，在工業生產中得到了廣泛的應用。With this axial symmetric quasi - 3d model, the gas - flow field in such a wedge - shape air - gap is studied, the phenomena about taylor vortex in such a narrow wedge - shape air - gap is illuminated and the so caused gas - flow in axial direction is explained
採用準三維軸對稱的計算模型，對楔形氣隙的流場進行了研究，驗證了高速旋轉情況下，環形間隙流場中充滿taylor渦流的現象及相關規律。It can still decrease influence of the eddy current greatly while contace surface of coil type double - pole amf structure is not need to be slotted, so it can also decrease surplus axial magnetic field when the current is at zero and axial magnetic field hysteresis time
線圈式兩極縱向磁場觸頭結構的觸頭表面不需開槽仍能大大降低了渦流的影響，因此也減小了電流零點時的殘余縱向磁場和縱向磁場滯后時間。Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration
首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。On the basis of experiments the axial vortex in pump system is analyzed and calculated, the vortex line formulas of planar, cylindrical and axial vortexes are given, and their vortex lines aregraphed
在試驗研究的基礎上，對泵系統軸向渦流進行了分析計算，給出了平面渦流、柱面渦流和軸向渦流的渦線計算公式，並繪出了它們的渦線。The working principle of pulsed eddy current ( pec ) nondestructive testing technology is analyzed, the pec testing system was been established to examined the specimen of multi - layered aircraft structure, peak and zero - crossing time of the time domain transient response signal of pec are extracted as the features to detect the corrosion in the second layer of aircraft structure quantificationally, the experiment results are consistent with that of the theory analysis, as the pec have the advantages of fast speed and quantification, this makes the method have the broad using foreground in the testing of aircraft structure corrosion
摘要對脈沖渦流無損檢測技術的工作原理進行了分析，建立了脈沖渦流的檢測系統對加工的模擬飛機多層結構的試件進行了測試，提取其時域瞬態感應信號的峰值和過零時間作為特徵量，對出現在飛機多層結構第二層中的腐蝕缺陷進行了定量檢測，試驗結果和理論分析相一致，證明了脈沖渦流檢測方法的有效性，由於其具有快速和定量化的優點因而在飛機結構的腐蝕檢測中具有廣闊的應用前景。In t his p aper r otating s tall a nd t he inlet v ortex in c entrifugal fans with inlet v ane control has been studied in laboratory. the harmonic wavelet is firstly used for time - frequency analysis and feature extraction of pulsation amplitude and frequency and development of rotating stall and inlet vortex. the development rule of rotating stall and inlet vortex and the effect to fans performance from the two has been found
文中對採用入口導流器調節的離心通風機的旋轉失速和進口渦流問題進行了實驗研究，並藉助諧波小波對旋轉失速和進口渦流的頻率、幅值特性及動態過程進行了時頻分析和特徵提取，揭示了旋轉失速和進口渦流發展的規律及二者對風機性能的影響。The calculation to the eddy current on the contact surface and axial magnetic field of contact surface and center surface of contact gap are carried out while the current is at zero. after the iron core of ring type is put in, the eddy current on the contact surface will be increased, the axial magnetic field that the eddy current creates will be also increased
對電流過零時觸頭表面的渦流和觸頭表面及觸頭間隙中心平面上的縱向磁場進行了計算，加入圓環型鐵芯后觸頭表面的渦流增大，渦流產生的縱向磁場增大，在鐵芯中開槽后渦流的平均水平降低，縱向磁場平均值降低。Numerical simulation of the vortex induced by a train entering into a tunnel
列車進入隧道時產生渦流的數值模擬To counter this effect, the vortices can be pinned ( in essence, nailed down ) by introducing the right type of defect into the superconductor
通常我們可以藉由縮小材料晶粒的尺寸，來增強固定渦流的效果。In many cases it will be found that the minimum recommended submergence to prevent vortexing will be equal to, or greater than, the minimum submergence required to prevent overheating
多數情況下，人們會發現所建議的預防渦流的最小潛水深度會等於或大於預防電機過熱的最小潛水深度。Finally, numerical analysis of delta wing ' s fluid field was performed by cfd software for the purpose to verify the control ability of microactuator array and the feasibility of the scheme
最後，為了驗證微致動器陣列對三角翼渦流的操縱能力和控制方案的可行性，本文利用計算流體力學軟體對微致動器陣列作用下的三角翼的流場進行了數值模擬計算。分享友人